Finding the Fourth Proportional to 52,720.56, 72,754.37 and 28,847.23

Step by Step Solution

1. Step 1: Write the proportion equation
   52,720.56 : 72,754.37 = 28,847.23 : x
2. Step 2: Convert to fraction form
   52,720.56/72,754.37 = 28,847.23/x
3. Step 3: Cross multiply
   52,720.56x = 72,754.37 × 28,847.23
4. Step 4: Simplify right side
   52,720.56x = 2,098,762,245.89
5. Step 5: Solve for x
   x = 2,098,762,245.89/52,720.56
6. Step 6: Final answer
   x = 39,809.18